Police raided the family's western suburbs home last June, suspecting the 50-year-old man had been downloading child pornography.
They found more than 2,000 child pornography files on his computer and also found films of the man's daughters undressing and showering.
Prosecutor Robert Ford said the camera had been hidden on a shelf.
"A total of 23 movie files were found on the hard drive, containing images which had been recorded in the bathroom at [the man's] home. These recordings had been made through the use of a small camera which had been placed on a storage shelf in the bathroom," he said.
He argued an immediate custodial sentence was warranted.
"It involved an invasion of privacy of these young ladies," he told the court.
The man's lawyer, Michael Lutt, said his client could not explain why he committed the crimes. Read More